A 24 month manufacturer's warranty is granted (incl. onsite). Samsung calls its standard warranty extension Guarantee Plus. It's available for about 50 euros including a 3 year onsite collect service (starts on date of purchase).Acer Aspire 5542 battery

The detached keys are embedded (no tray) into the silver work surface, which is made of one piece. Pressed keys are level with the surface and make cleaning easy.Acer Aspire 5542G battery

The layout is generous since there is no number pad. Typing accurately on the keys is possible without an accommodation period. The key drop is medium-short over the entire width and the keystroke is firm. This was noticed adversely in the QX310 sister model. Unfortunately, the keys' somewhat imprecise pressure point has been maintained. However, it lessens the typing quality only marginally.Acer Aspire 5735 battery

Acer Aspire 5738 battery The mouse pad (Synaptic Touchpad V7.4) can't continue to keyboard's good work suitability. The cursor moves accurately on the desktop when we glide over the smooth surface. A narrow edge separates the sensitive surface from the wrist-rest. It doesn't differ clearly enough to ascertain the surface with closed eyes. The short key travel prevents good feedback when clicking fast. Although the noise is not loud, it makes a low-end impression.Acer Aspire 5735Z battery

It is a multi-touch pad that recognizes two finger use (two finger gestures, e.g. zoom in, zoom out, scroll). There are vertical and horizontal scroll bars, even if they aren't visibly marked. The sensitive surface is neither very big nor touch sensitive up to its corners / edges. Users can enlarge the field by disabling the one-finger scroll bar.Acer Aspire 5738G battery

The reflective LED screen (model: SAMSUNG LTN133AT17000) has a resolution of 1366x768 pixels (16:9). The WXGA resolution is standard for 13.3 inch devices. The determined black value of 1.96 cd/m2 supplies a poor contrast of 146:1. Consequently, black is not deep black. Colors don't look as brilliant and fresh as it would be possible. The glare type quality compensates this drawback to an extent by prettying it up visually. Acer Aspire 5738Z battery

The screen is inacceptable for pros because of the low resolution and the glare type. The color spectrum is very limited. It is far away from Adobe RGB 1998 (t). The same applies to sRGB (t). We place a very good pro display from the MacBook Pro 13 2010-04 (t) beside it for comparison. Acer Aspire 5738ZG battery

We assess an excellent average brightness of 281 cd/m2. Our light meter records a maximum of 287 cd/m2 in the center. This luminosity is perfect, especially in view of the targeted mobility. Merely (estimated) 5% of our test notebooks (all categories) have such a bright screen. The brightness is not reduced in battery mode.Acer Aspire 5740 battery

The 13.3 inch TFT provides only an adequate suitability for use in sunlight despite its great brightness. The desktop is well visible, but the reflections cause annoying restrictions in terms of legibility. The pictures were made in slightly overcast conditions in winter.Acer Aspire 5740DG battery

Frontal view, cloudyThe Q330 proves to have tight viewing angles. Ghosting turns up at 20 degrees when the eyes swerve upward or downward (vertically). We can deviate from the center up to 45 degrees right or left from the center (horizontally). The colors invert clearly beyond that.Acer Aspire 5740G battery

The Core i3-350M (2x 2.26 GHz) belongs to the weakest Intel Core i CPUs and is used in office notebooks or budget subnotebooks. In terms of performance, the 35 watt CPU (TDP) is stronger than the Pentium (P6000/P6100). In opposition to the latter, the i3-350M has the advantage of Hyper Threading (HT). HT supplies every physical core with a virtual core. The native i3 dual core thus can process four threads.Acer Aspire AS5740 battery

The graphics card (Intel Graphics Media Accelerator HD), alike the memory controller, is incorporated in the CPU bundle. This allows a link with the dedicated Nvidia 310M in form of Nvidia Optimus. This feature makes it possible to switch between the Intel HD and the 310M automatically. The benefit is allegedly a longer battery life. No delays or black, flickering screens turn up during the seamless switch.Acer Aspire Timeline 3810T Battery

The Core i3-350M is supported by four gigabyte of DDR3 SDRAM. This total is on two modules and can be easily upgraded via the accessible RAM bay. 4 GB are standard for Windows 7 systems (64 bit in this case).Acer Aspire Timeline 4810T Battery

The Core i3-350M (2.26 GHz) is weaker than its brothers, i5-520M or i5-430M. The processor test, Cinebench R11.5 (64 bit), rewards 520M laptops about 2.2 points and 2.0 points are given to 430M CPUs. The i3-350M achieves a lower score of 1.88 points. The difference isn't any greater despite the lower clock rate due to Hyper Threading.Acer Aspire 5740 Battery

The i3-350M's 2.26 GHz are inferior to the identically clocked i5-430M in single core calculating because it doesn't have Turbo Boost. The latter achieves up to 3362 points (Cinebench R10 Single Core 64 bit, Sony Vaio VPC-EB1S1E/BJ). The 350M in the Q330 reaches 3183 points.Acer Aspire 5740DG Battery

4.6Windows 7 Experience IndexProcessorCalculations per second6.4Memory (RAM)Memory operations per second5.9GraphicsDesktop performance for Windows Aero4.6Gaming graphics3D business and gaming graphics5.6Primary hard diskDisk data transfer rate5.9 CB10 Rendering Single 32Bit 2550 pointsAcer Aspire 5740G Battery

But what about the system performance where the CPU is not the only active component (albeit the most important)? The i3-350M system scores 4362 points in PCMark Vantage. i5-430M laptops are only inferior when they have a sole Intel HD graphics. i5 systems are faster together with a dedicated GPU at any rate: 4900 to 5800 points (average approx. 5100 points).Acer Aspire 2930 battery

The Nvidia 310M graphics card only helps our system attain a few rating points. Applications that benefit from the 310M's hardware support (CUDA, DirectX Compute, OpenCL, H.264) work a bit faster, which PCMark Vantage also acknowledges.Acer Aspire 2930G battery

PCMark Vantage rewards a fast hard disk lavishly. The HDD sub score is around 3000 points. This is an average rate for a 5400 rpm HDD. Fast 7200 rpm hard disks can reach up to about 3500 points. The hard disk (500 GB) from Samsung reads with 66.4 MB/s in sequential read. The burst rate of 97.4 MB/s is fairly high (read from HDD cache).Acer Aspire 2930Z battery

The HDD is only audible during use when the fan is turned off in idle. Now we can hear the quiet whirring. The write and read heads are only audible during activity when an ear is placed on the laptop., Acer Aspire 4230 battery

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